268688740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{790261}}^1$

素因数の和:790287

約数の個数: 24

約数和(自身を含む): 597438072

約数和(自身を除く): 328749332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 790261, 1580522, 3161044, 3951305, 7902610, 13434437, 15805220, 26868874, 53737748, 67172185, 134344370, 268688740]

約数ペア:

[(1, 268688740), (2, 134344370), (4, 67172185), (5, 53737748), (10, 26868874), (17, 15805220), (20, 13434437), (34, 7902610), (68, 3951305), (85, 3161044), (170, 1580522), (340, 790261)]